A♭9♯5 7-string bass chord

How to play A♭9♯5 on 7-string bass

The most common way, the first shape above: lay your index finger flat across the three strings from the A to the G at the 3rd fret, your middle finger on the E string at the 4th fret, your ring finger on the D string at the 4th fret and your little finger on the C string at the 4th fret. Don’t play the B and F strings.

From the B string x 4 3 4 3 4 x (x: not played, 0: open)

What notes are in A♭9♯5?

A♭9♯5, A♭ ninth sharp five, is A♭, C, E, G♭ and B♭: the root (A♭), the major third (C), the augmented fifth (E), the minor seventh (G♭) and the ninth (B♭). Its formula is 1 3 ♯5 ♭7 9.